I need help I don’t understand physical science at all.
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Physics, 22.06.2019 14:30
A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
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Physics, 22.06.2019 14:30
70 give a real life example showing how sensory neurons work with the motor neurons
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Physics, 23.06.2019 00:30
Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
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Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
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Mathematics, 19.11.2020 21:30
Mathematics, 19.11.2020 21:30
English, 19.11.2020 21:30
Mathematics, 19.11.2020 21:30
Mathematics, 19.11.2020 21:30
History, 19.11.2020 21:30
Mathematics, 19.11.2020 21:30
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Chemistry, 19.11.2020 21:30